Re: [talk-ph] DPWH 2012 Road Data

2013-06-11 Thread Eugene Alvin Villar
Well, there's a loophole in that provision.

If what you get from the government is *pure data* (numerical coordinates,
etc.), then you can't use it in OSM without permission. This is the idea
behind the DepEd and DOH data we are getting/trying to get.

On the other hand, if what you get is an image (e.g., map), then you are
free to take facts that you can see when you look at the image/map. The
Philippine IP Law follows the US IP Code in that facts aren't
copyrightable. You can't use or distribute the map itself for commercial
purposes without permission, or copy the creative aspects of the map (which
are copyrightable) such as colors, styling, cartography, etc. without
permission, for commercial purposes. But you can get facts that you have
interpreted from the image and use that in any manner you choose because
facts aren't copyrightable and the government did not give you that fact
outright.

Of course, we can just ask DPWH for permission. There's an email address on
the website: taduran.er...@dpwh.gov.ph

Eugene



On Wed, Jun 12, 2013 at 11:40 AM, maning sambale  wrote:

>
> On Jun 12, 2013 10:01 AM, "tutubi" 
> wrote:
> >
> > on copyright, did you know the work of the government, by law, is not
> covered by copyright unless you use it for profit?
>
> Which precisely why we can't directly copy from government data unless
> there is explicit permission. OSM encourages commercial use.
>
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Re: [talk-ph] ideas on importing deped schools db to OSM

2013-06-11 Thread maning sambale
Dear all,

Just to update you on this. Upon random checking of some tiles, there are
cases where the location is too far off. It was confirmed by Liana that in
some cases, brgy boundary centroid was used when no actual gps survey was
conducted.

I will try to cleanup the data before we begin the import.

Suggestions welcome.

Maning Sambale (mobile)
On Apr 25, 2013 11:58 AM, "maning sambale" 
wrote:

> > It might be better to divide the data also along geographical lines. For
> > example, by provinces and then divide the data per province into smaller
> > chunks like Ilocose Norte 1, Ilocos Norte 2, etc.
> >
> > I think chunks of 100 is much more manageable. I certainly don't think I
> can
> > process 500 schools in 1 or 2 sittings.
>
> Here's a screenshot of the splitted data in 100 nodes
>
> https://docs.google.com/file/d/0B-2WZQ1DwK_xRFpKcHJyaEh6REE/edit?usp=sharing
>
> https://docs.google.com/file/d/0B-2WZQ1DwK_xa0pkQ2tpNmhacGc/edit?usp=sharing
>
> The ES shapefile is ~190 tiles.
>
> > I suggest to add the upload=false XML attribute to the OSM files to avoid
> > accidentally uploading it to OSM.
> Yes, the ogr2osm script adds this.  But the splitter I use doesn't
> will investigate further.
>
>
> --
> cheers,
> maning
> --
> "Freedom is still the most radical idea of all" -N.Branden
> wiki: http://esambale.wikispaces.com/
> blog: http://epsg4253.wordpress.com/
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Re: [talk-ph] GPS review on etrex 30 and 62sc

2013-06-11 Thread maning sambale
Thanks Carlo and Ervin. We will consider your experiences.

Maning Sambale (mobile)
On Jun 11, 2013 5:11 PM, "Ervin Malicdem"  wrote:

> I'm using Etrex 30 for my mapping expeditions. However I cant compare to
> any handhelds as this is the first I had.
> So far so good with digital compass and barometer. Screen is highly
> visible even in bright sunlight. Battery (using NiMH AA) lasts roughly 20
> hours of continuous use.
>
> Tracing can be selected for time (upto 1-sec) point trace or distance
> (upto .01km)
>
> has microSD slot. USB 1.0 interface (mini-usb)
>
> Waterproof until 1 meter
>
> --
> Ervin M.
> *Schadow1 Expeditions* - A Filipino must not be a stranger to his own
> motherland.
> http://www.s1expeditions.com
>
>
> On Tue, Jun 11, 2013 at 2:56 PM, maning sambale <
> emmanuel.samb...@gmail.com> wrote:
>
>> Dear all,
>>
>> Any experience using etrex 30 [0] or gpsmap 62sc [1]?
>> My favorite unit (60csx) was phase out by Garmin.
>>
>> [0]
>> https://buy.garmin.com/en-US/US/on-the-trail/handhelds/etrex-30/prod87774.html
>> [1]
>> https://buy.garmin.com/en-US/US/on-the-trail/handhelds/gpsmap-62sc/prod89556.html
>>
>> --
>> cheers,
>> maning
>> --
>> "Freedom is still the most radical idea of all" -N.Branden
>> wiki: http://esambale.wikispaces.com/
>> blog: http://epsg4253.wordpress.com/
>> --
>>
>> ___
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>>
>
>
>
>
>
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Re: [talk-ph] DPWH 2012 Road Data

2013-06-11 Thread maning sambale
Dear Rally,

On Jun 12, 2013 10:02 AM, "Rally de Leon"  wrote:
>
>
> On Wed, Jun 12, 2013 at 9:43 AM
> Maning,
> it's obviously OSM basemap under the Baguio jpg right? in fact get a
copies as proof in the future. How does copyright works? Enlighten us. I
understand if they add new info on top of that OSM map, then they're
obligated to share the new info back to OSM? I guess the dpwh's copyright
restriction was just a copy&paste thing.

I'm not sure I can give you a straightforward answer since I am confused
myself sometimes. :)

There is a concept of derived database and produced work in odbl. Depending
on how you use osm data and distribute the output, it may fall on either of
the above category.

In fact, the default map tile is not odbl but cc-by-sa.

The wiki has sample use cases.

> I say let DPWH use it more on their projects silently, so that we'll have
more proof..., and then it's easier to officially negotiate for sharing of
government data in the future (give & take arrangements). :-)

I think government use of osm is what most of us want. I'm actually curious
why they use osm over other webmap service.
Is it easier to use? Nice cartography? Better data?

How can we help them even further beyond using osm as a background layer?
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Re: [talk-ph] DPWH 2012 Road Data

2013-06-11 Thread maning sambale
On Jun 12, 2013 10:01 AM, "tutubi" 
wrote:
>
> on copyright, did you know the work of the government, by law, is not
covered by copyright unless you use it for profit?

Which precisely why we can't directly copy from government data unless
there is explicit permission. OSM encourages commercial use.
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Re: [talk-ph] DPWH 2012 Road Data

2013-06-11 Thread Rally de Leon
On Wed, Jun 12, 2013 at 9:43 AM, maning sambale
wrote:

> Nice! The surface type (concrete, asphalt) is good data we can add in OSM,
> unfortunately, the disclaimer pdf has very strict copyright restrictions.
>
> Maning Sambale (mobile)
>
Maning,
it's obviously OSM basemap under the Baguio jpg right? in fact get a copies
as proof in the future. How does copyright works? Enlighten us. I
understand if they add new info on top of that OSM map, then they're
obligated to share the new info back to OSM? I guess the dpwh's copyright
restriction was just a copy&paste thing.

I say let DPWH use it more on their projects silently, so that we'll have
more proof..., and then it's easier to officially negotiate for sharing of
government data in the future (give & take arrangements). :-)
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Re: [talk-ph] DPWH 2012 Road Data

2013-06-11 Thread tutubi
on copyright, did you know the work of the government, by law, is not covered 
by copyright unless you use it for profit?

it's somewhere in the copyright law, a popular topic in photography forums



---
I explore, therefore I blog!

http://www.backpackingphilippines.com

http://www.facebook.com/backpackingPhilippines
http://www.twitter.com/backpackPH

On Jun 12, 2013, at 9:43 AM, maning sambale  wrote:

> Nice! The surface type (concrete, asphalt) is good data we can add in OSM, 
> unfortunately, the disclaimer pdf has very strict copyright restrictions.
> 
> Maning Sambale (mobile)
> 
> On Jun 12, 2013 7:14 AM, "Eugene Alvin Villar"  wrote:
>> The roads under the maintenance of the DPWH Baguio City District Engineering 
>> Office is another area that uses OSM as a basemap: 
>> http://www.dpwh.gov.ph/infrastructure/Road%20Data/2012%20Road%20Data%20for%20Ipad/baguio_city.htm
>> 
>> 
>> On Wed, Jun 12, 2013 at 6:59 AM, Eugene Alvin Villar  
>> wrote:
>>> Hi guys,
>>> 
>>> You might find this interesting. DPWH has provided a site showing its 
>>> database of what I presume are National Roads that are under its 
>>> maintenance: 
>>> http://www.dpwh.gov.ph/infrastructure/Road%20Data/2012%20Road%20Data%20for%20Ipad/index.htm
>>> 
>>> What's even more interesting is that they are using screenshots of OSM maps 
>>> as the basemap for several maps of roads in Metro Manila. For example, 
>>> here's northern Quezon City: 
>>> http://www.dpwh.gov.ph/infrastructure/Road%20Data/2012%20Road%20Data%20for%20Ipad/quezon_city_1st.htm
>> 
>> 
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Re: [talk-ph] DPWH 2012 Road Data

2013-06-11 Thread Rally de Leon
Clicking on Region IV-A on DPWH link:
http://www.dpwh.gov.ph/infrastructure/Road%20Data/2012%20Road%20Data%20for%20Ipad/region_iv_a.htm

Is it safe to classify Caylabne Road a trunk (an extension of Governor's
Drive)?
How about Naic-to-Mendez and the Tanza-Trece Martirez roads?

Weird, Aguinaldo Highway & Sta-Rosa-Tagaytay Road classified as secondary,
yet Calamba Road is arterial?? can't be

Declassify as trunk (back to primary) the pagsanjan-louisiana-lucban route?
(road is too narrow anyway)
Calauan-Nagcarlan route is just a minor road on OSM but looks like a trunk
going all the way to Tayabas on DPWH's map.


On Wed, Jun 12, 2013 at 6:59 AM, Eugene Alvin Villar wrote:

> Hi guys,
>
> You might find this interesting. DPWH has provided a site showing its
> database of what I presume are National Roads that are under its
> maintenance:
> http://www.dpwh.gov.ph/infrastructure/Road%20Data/2012%20Road%20Data%20for%20Ipad/index.htm
>
> What's even more interesting is that they are using screenshots of OSM
> maps as the basemap for several maps of roads in Metro Manila. For example,
> here's northern Quezon City:
> http://www.dpwh.gov.ph/infrastructure/Road%20Data/2012%20Road%20Data%20for%20Ipad/quezon_city_1st.htm
>
> ___
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>
>
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Re: [talk-ph] DPWH 2012 Road Data

2013-06-11 Thread maning sambale
Nice! The surface type (concrete, asphalt) is good data we can add in OSM,
unfortunately, the disclaimer pdf has very strict copyright restrictions.

Maning Sambale (mobile)
On Jun 12, 2013 7:14 AM, "Eugene Alvin Villar"  wrote:

> The roads under the maintenance of the DPWH Baguio City District
> Engineering Office is another area that uses OSM as a basemap:
> http://www.dpwh.gov.ph/infrastructure/Road%20Data/2012%20Road%20Data%20for%20Ipad/baguio_city.htm
>
>
> On Wed, Jun 12, 2013 at 6:59 AM, Eugene Alvin Villar wrote:
>
>> Hi guys,
>>
>> You might find this interesting. DPWH has provided a site showing its
>> database of what I presume are National Roads that are under its
>> maintenance:
>> http://www.dpwh.gov.ph/infrastructure/Road%20Data/2012%20Road%20Data%20for%20Ipad/index.htm
>>
>> What's even more interesting is that they are using screenshots of OSM
>> maps as the basemap for several maps of roads in Metro Manila. For example,
>> here's northern Quezon City:
>> http://www.dpwh.gov.ph/infrastructure/Road%20Data/2012%20Road%20Data%20for%20Ipad/quezon_city_1st.htm
>>
>
>
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>
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Re: [talk-ph] DPWH 2012 Road Data

2013-06-11 Thread Eugene Alvin Villar
The roads under the maintenance of the DPWH Baguio City District
Engineering Office is another area that uses OSM as a basemap:
http://www.dpwh.gov.ph/infrastructure/Road%20Data/2012%20Road%20Data%20for%20Ipad/baguio_city.htm


On Wed, Jun 12, 2013 at 6:59 AM, Eugene Alvin Villar wrote:

> Hi guys,
>
> You might find this interesting. DPWH has provided a site showing its
> database of what I presume are National Roads that are under its
> maintenance:
> http://www.dpwh.gov.ph/infrastructure/Road%20Data/2012%20Road%20Data%20for%20Ipad/index.htm
>
> What's even more interesting is that they are using screenshots of OSM
> maps as the basemap for several maps of roads in Metro Manila. For example,
> here's northern Quezon City:
> http://www.dpwh.gov.ph/infrastructure/Road%20Data/2012%20Road%20Data%20for%20Ipad/quezon_city_1st.htm
>
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[talk-ph] DPWH 2012 Road Data

2013-06-11 Thread Eugene Alvin Villar
Hi guys,

You might find this interesting. DPWH has provided a site showing its
database of what I presume are National Roads that are under its
maintenance:
http://www.dpwh.gov.ph/infrastructure/Road%20Data/2012%20Road%20Data%20for%20Ipad/index.htm

What's even more interesting is that they are using screenshots of OSM maps
as the basemap for several maps of roads in Metro Manila. For example,
here's northern Quezon City:
http://www.dpwh.gov.ph/infrastructure/Road%20Data/2012%20Road%20Data%20for%20Ipad/quezon_city_1st.htm
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[talk-ph] Fwd: [OSM-dev] Website to generate polygons from OSM relations

2013-06-11 Thread Eugene Alvin Villar
Hi guys,

See the following email for a new interesting service provided by a French
OSM developer.

Some example Philippine-related images generated using the service:
Palawan : http://polygons.openstreetmap.fr/get_image.py?id=1506669¶ms=0
Metro Manila :
http://polygons.openstreetmap.fr/get_image.py?id=147488¶ms=0


-- Forwarded message --
From: Jocelyn Jaubert 
Date: Wed, Jun 12, 2013 at 5:45 AM
Subject: [OSM-dev] Website to generate polygons from OSM relations
To: d...@openstreetmap.org


Hi,

I have put into production a website to generate various outputs from
OSM relations, by taking into account inclusion of other relations. It
is available at:

http://polygons.openstreetmap.fr/


What it can do:

 - generate whole geometry from an OSM relation ID, with handling of
sub-relations - this works especially well with the recursive French
model for administrative relations, and can be used as a sanity check.

 - generate simplified geometries, even bigger or smaller - this is
useful to cut a .osm file with a good .poly file.

 - export WKT, .poly, GeoJSON, or even a picture.

 - import a user .poly file, and then do an Union from an OSM relation.
I used this to fix some polygons used for Geofabrik extracts.


A few examples:

OSM relation for Corsica:
  http://polygons.openstreetmap.fr/?id=76910

http://polygons.openstreetmap.fr/get_image.py?id=76910¶ms=0.02-0.005000-0.005000

Same thing for France (image is a little longer to generate)
  http://polygons.openstreetmap.fr/?id=1362232

Union of Geofabrik and OSM relation for PACA, a french region:

http://polygons.openstreetmap.fr/get_image.py?id=8654¶ms=0.02-0.005000-0.005000&name=provence-alpes-cote-d-azur_5k3mbx

(you can see that some part of the region were missing from the yellow
polygon)


The source code is available at:
https://github.com/jocelynj/osm-polygons-generation

This uses an osmosis database, containing the whole word, and some
Postgis functions. If you have any suggestion, don't hesitate to propose
them !


Thanks,
Jocelyn
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Re: [talk-ph] GPS review on etrex 30 and 62sc

2013-06-11 Thread Ervin Malicdem
I'm using Etrex 30 for my mapping expeditions. However I cant compare to
any handhelds as this is the first I had.
So far so good with digital compass and barometer. Screen is highly visible
even in bright sunlight. Battery (using NiMH AA) lasts roughly 20 hours of
continuous use.

Tracing can be selected for time (upto 1-sec) point trace or distance (upto
.01km)

has microSD slot. USB 1.0 interface (mini-usb)

Waterproof until 1 meter

-- 
Ervin M.
*Schadow1 Expeditions* - A Filipino must not be a stranger to his own
motherland.
http://www.s1expeditions.com


On Tue, Jun 11, 2013 at 2:56 PM, maning sambale
wrote:

> Dear all,
>
> Any experience using etrex 30 [0] or gpsmap 62sc [1]?
> My favorite unit (60csx) was phase out by Garmin.
>
> [0]
> https://buy.garmin.com/en-US/US/on-the-trail/handhelds/etrex-30/prod87774.html
> [1]
> https://buy.garmin.com/en-US/US/on-the-trail/handhelds/gpsmap-62sc/prod89556.html
>
> --
> cheers,
> maning
> --
> "Freedom is still the most radical idea of all" -N.Branden
> wiki: http://esambale.wikispaces.com/
> blog: http://epsg4253.wordpress.com/
> --
>
> ___
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Re: [talk-ph] GPS review on etrex 30 and 62sc

2013-06-11 Thread Carlo Antonio Romero
Hi Maning,

I have a two week old etrex 20 and a Legend hcx. I know you were asking for
the 30, but the only difference is the absence of the atmospheric barometer
[1], magnetic compass, and the ability to connect to Ant+ devices.

the 20 was a clear winner for me since it was cheaper and the extra
features of the 30 wont be hugely missed for mapping.

Here's a good review of the 20 [0] but the reviewers firmware was 2.2. I
havent checked if the bugs have been resolved in 3.0, but i share most of
his experience with the device

the hcx reports a better accuracy against the 20 (gps+glonass) with a good
view of the sky. however, the 20 is only slightly affected when there are
tall buildings on one side of the road. on streets with tall buildings, the
20 shows slightly more drift than the hcx. having said all this, i feel the
20 reports a more conservative accuracy and is a bit more transparent with
errors in logging tracks.

A colleague has a 62 (not sure which model) and he just agreed to lend me
his unit next week. :) if you'd want some comparisons between the hcx, 20,
and 62, let me know your questions.


[0]
http://www.amazon.com/review/R3RAKYFG6DOERN/ref=cm_cr_pr_perm?ie=UTF8&ASIN=B00542NVS2&nodeID=&tag=&linkCode=
[1] http://regex.info/blog/2006-04-16/179



On Tue, Jun 11, 2013 at 2:56 PM, maning sambale
wrote:

> Dear all,
>
> Any experience using etrex 30 [0] or gpsmap 62sc [1]?
> My favorite unit (60csx) was phase out by Garmin.
>
> [0]
> https://buy.garmin.com/en-US/US/on-the-trail/handhelds/etrex-30/prod87774.html
> [1]
> https://buy.garmin.com/en-US/US/on-the-trail/handhelds/gpsmap-62sc/prod89556.html
>
> --
> cheers,
> maning
> --
> "Freedom is still the most radical idea of all" -N.Branden
> wiki: http://esambale.wikispaces.com/
> blog: http://epsg4253.wordpress.com/
> --
>
> ___
> talk-ph mailing list
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>
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